Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All data (experiment and calculated) in the CCCBDB for C₄H₆O (Furan, 2,3-dihydro-)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K	x
	Enthalpy 0K
	Energy 0K		227
	Energy 298.15K		223
	Atomization Enthalpy 298.15K	x	166	x
	Atomization Enthalpy 0K		170
	Entropy (298.15K)	x	160	x
	Entropy at any temperature		160
	Integrated Heat Capacity	x	160	x
	Heat Capacity (Cp)	x	160	x
	Nuclear Repulsion Energy		212
	HOMO-LUMO Energies		209
	Barriers to Internal Rotation		0
Geometries	Cartesians		187
	Internal Coordinates		186
	Products of moments of inertia		206
	Rotational Constants		211
	Point Group		211
Vibrations	Vibrational Frequencies	fun.	210	x
	Vibrational Intensities		217
	Zero-point energies	x	210	x
	Vibrational scaling factors	x
	Anharmonic frequencies and constants
	Raman frequencies and intensities		0
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		178
	Dipole		182
	Quadrupole		122
	Polarizability		163
Other results	Spin		0
	Number of basis functions		7
	Conformations		1